Serafina聽Brocious
McDonough, Georgia, United States
Summary
馃ぉ
Rockstar
Top expert inComprehensive Cybersecurity and DevSecOps Practices
Serafina Brocious is a reverse engineer and software developer with 17 years of experience specializing in OS internals, emulation, compilers, and exploit development. She has led security education and research at organizations like HackerOne and DigitalOcean and co-founded multiple startups focused on protocol and DRM reverse engineering. Her hands-on work includes uncovering critical vulnerabilities (Onity locks) presented at Black Hat, building native compatibility layers and decompilers, and contributing exploit primitives to high-profile projects such as the PegaSwitch Nintendo Switch toolkit. Equally comfortable improving front-end UX for Hacker101 as she is crafting low-level memory primitives, Serafina blends deep technical research with pragmatic engineering. Based in McDonough, Georgia, she remains open to interesting contracts that push the boundaries of software and system security.
16 years of coding experience
14 years of employment as a software developer
Stackoverflow
30,509reputation
3.2mreached
146answers
29questions
emulation
top-1%
java
top-5%
md5
top-1%
mono
top-5%
clr
top-5%
security
top-5%
Github Skills (34)
javascript10
md510
switch10
css10
exploit10
cryptography10
html10
hash10
reverse-engineering10
vulnerability-research10
emulation10
inline9
clr9
assembly9
exceptions9
Programming languages (13)
Github contributions (5)
Hacker0x01/hacker101
Jan 2018 - Apr 2019
Source code for Hacker101.com - a free online web and mobile security class.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:87 commits, 12 PRs, 43 pushes in 1 year 3 months
Contributions summary:Serafina primarily focused on enhancing the front-end user interface of the Hacker101 website. Their contributions involved modifying the layout, adding UI elements like a "back" button, improving the visual presentation by fixing header colors and sizes, and introducing font icons. The user also made changes to the navigation, linking to the site's Discord server. Their work demonstrates an understanding of HTML, CSS, and potentially JavaScript, as they modified the site's template to alter the user experience.
checklistxssapplication-securityclickjackingsecurity
reswitched/pegaswitch
Mar 2017 - Jan 2018
PegaSwitch is an exploit toolkit for the Nintendo Switch
Role in this project:Reverse Engineer & Exploit Developer
Reverse Engineer & Exploit DeveloperContributions:65 commits, 7 pushes, 1 branch in 11 months
Contributions summary:Serafina primarily focused on reverse engineering and exploiting vulnerabilities within the Nintendo Switch's PegaSwitch exploit toolkit. Their work involved modifying JavaScript code (main.js) to implement read/write primitives and memory dumping capabilities. They also developed and refined code to leak arbitrary objects, manipulate function pointers, and create a holy rop chain, demonstrating a deep understanding of exploit development techniques. Furthermore, the user created a build script (buildbin.py) and made modifications to the web server configuration (serve.py) to support their exploit development efforts.
nintendopegaswitchnintendo-switchexploitswitch
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